| skos:altLabel | - Lamson
- pneumatic
- Pneumatic
- pneumatic railway
- pneumatic tube
- Lamson Tube system
- Pneumatic Delivery Systems
- Pneumatic Tube
- Pneumatic mail systems
- Pneumatic post
- Pneumatic service
- Pneumatic tube#In postal service
- Pneumatic tubes
- Pneumatic_tube#The_pneumatic_elevator
- mail pipe line
- pneumatic cash tube system
- pneumatic hoses
- pneumatic mail tube
- pneumatic messaging service
- pneumatic post
- pneumatic postal network
- pneumatic transit system
- pneumatic transportation tubes
- pneumatic tube system
- pneumatic tube systems
- postal tubes
- tube post
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